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Java > Open Source Codes > org > jnp > interfaces > LocalOnlyContextFactory


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * published by the Free Software Foundation; either version 2.1 of
10   * the License, or (at your option) any later version.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   * Lesser General Public License for more details.
16   *
17   * You should have received a copy of the GNU Lesser General Public
18   * License along with this software; if not, write to the Free
19   * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jnp.interfaces;
23
24 import java.util.Hashtable JavaDoc;
25 import javax.naming.Context JavaDoc;
26 import javax.naming.Name JavaDoc;
27 import javax.naming.NamingException JavaDoc;
28 import javax.naming.Reference JavaDoc;
29 import javax.naming.spi.InitialContextFactory JavaDoc;
30 import javax.naming.spi.ObjectFactory JavaDoc;
31
32 /**
33  * Only use locally available naming server
34  *
35  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
36  * @version $Revision: 37459 $
37  */
38 public class LocalOnlyContextFactory
39         implements InitialContextFactory JavaDoc, ObjectFactory JavaDoc
40      {
41          // InitialContextFactory implementation --------------------------
42 public Context JavaDoc getInitialContext(Hashtable JavaDoc env)
43            throws NamingException JavaDoc
44          {
45              if (NamingContext.localServer == null) throw new NamingException JavaDoc("Local server is not initialized");
46              return new NamingContext(env, null, NamingContext.localServer);
47          }
48
49         // ObjectFactory implementation ----------------------------------
50 public Object JavaDoc getObjectInstance(Object JavaDoc obj,
51                                         Name JavaDoc name,
52                                         Context JavaDoc nameCtx,
53                                         Hashtable JavaDoc environment)
54                               throws Exception JavaDoc
55         {
56            Context JavaDoc ctx = getInitialContext(environment);
57            Reference JavaDoc ref = (Reference JavaDoc)obj;
58            return ctx.lookup((String JavaDoc)ref.get("URL").getContent());
59         }
60
61      }
62
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